Briefly describe how to install GitLab on CentOS

CentOS GitLab installation

GitLab is a Git-based code hosting and project management platform that can facilitate team collaboration and improve development efficiency. In this article, we will introduce how to install GitLab on CentOS.

Preparation

Before starting to install GitLab, we need to make sure that our CentOS operating system is up to date and that the necessary software, such as curl and openssh-server, is installed so that GitLab can work properly run.

Enter the following command on the command line to update the CentOS operating system and install the necessary software:

sudo yum update
sudo yum install curl openssh-server postfix

Curl is a tool for transferring data, we will use it to download and Install GitLab. openssh-server is an SSH server that allows us to communicate with the GitLab server using the SSH protocol. Postfix is ​​a mail server that GitLab will use to send emails to users.

Installing GitLab

There are a few different ways to install GitLab on CentOS, but the easiest way is to use the official GitLab package.

First, download the GitLab package. Enter the following command on the command line:

curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.rpm.sh | sudo bash

Then, use yum to install GitLab. Enter the following command at the command line:

sudo yum install gitlab-ce

GitLab’s installer will automatically install all required dependencies and start GitLab as a system service.

Configuring GitLab

After the installation is complete, we need to make some configuration settings. First, we need to edit GitLab’s configuration file. Enter the following command at the command line:

sudo vi /etc/gitlab/gitlab.rb

This file contains all configuration options for GitLab. We need to make sure that the following configuration items are set:

external_url 'http://your-server-ip'

Replace your-server-ip with the IP address or domain name of your server.

In addition, if you use a self-signed certificate, please add the following configuration items:

nginx['ssl_certificate'] = "/etc/gitlab/ssl/gitlab.crt"
nginx['ssl_certificate_key'] = "/etc/gitlab/ssl/gitlab.key"

Save and exit the file. Then, reconfigure GitLab and restart it:

sudo gitlab-ctl reconfigure
sudo gitlab-ctl restart

GitLab should now be installed and running successfully. You can check the status of GitLab by entering the following command:

sudo gitlab-ctl status

Using GitLab

Now, we can access GitLab and start using it. Enter the following address in your browser:

http://your-server-ip

Replace your-server-ip with the IP address or domain name of your server.

You will enter the GitLab login page. Enter the administrator username and password you set when installing GitLab. Once logged in, you can start creating projects and invite others to join your team.

Conclusion

In this article, we introduced how to install GitLab on CentOS. Using GitLab, you can easily host code and manage projects, improving team collaboration efficiency. If you are a developer or project manager, GitLab is definitely worth checking out.

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